CVE-2025-6278CWE-22

Upsonic server.py os.path.join path traversal

Medium · published June 19, 2025

CVSS v4.0
5.1
EPSS
1%
Percentile
52.8
In the wild
Unconfirmed
What it is

A vulnerability classified as critical was found in Upsonic up to 0.55.6. This vulnerability affects the function os.path.join of the file markdown/server.py. The manipulation of the argument file.filename leads to path traversal. The exploit has been disclosed to the public and may be used.

The record
Technical detail
CVSS v4.0
5.1 · MEDIUM
Vector
CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
EPSS
0.00702 · 52.8th percentile
Weakness
CWE-22 · Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Published
2025-06-19T20:31Z
EPSS history
Timeline
  • 19 JUN 20:31Z
    Upsonic server.py os.path.join path traversal
    cvelistv5